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Analysis

  • max time kernel
    11s
  • max time network
    15s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22-01-2025 13:42

General

  • Target

    4363463463464363463463463.exe

  • Size

    764KB

  • MD5

    85e3d4ac5a6ef32fb93764c090ef32b7

  • SHA1

    adedb0aab26d15cf96f66fda8b4cfbbdcc15ef52

  • SHA256

    4e5cc8cb98584335400d00f0a0803c3e0202761f3fbe50bcab3858a80df255e1

  • SHA512

    a7a037bde41bcd425be18a712e27a793185f7fde638e139bbd9d253c371cd9622385eda39cf91ab715ead2591cff5b8c9f5b31d903f138d8af7bab6a9001ccab

  • SSDEEP

    12288:6MSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9Ufbj:6nsJ39LyjbJkQFMhmC+6GD9mH

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Signatures

  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4363463463464363463463463.exe
    "C:\Users\Admin\AppData\Local\Temp\4363463463464363463463463.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4852
    • C:\Users\Admin\AppData\Local\Temp\._cache_4363463463464363463463463.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_4363463463464363463463463.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:780
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4372
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2632
        • C:\Users\Admin\AppData\Local\Temp\Files\Complexo%20v4.exe
          "C:\Users\Admin\AppData\Local\Temp\Files\Complexo%20v4.exe"
          4⤵
          • Executes dropped EXE
          PID:3028
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:4968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    764KB

    MD5

    85e3d4ac5a6ef32fb93764c090ef32b7

    SHA1

    adedb0aab26d15cf96f66fda8b4cfbbdcc15ef52

    SHA256

    4e5cc8cb98584335400d00f0a0803c3e0202761f3fbe50bcab3858a80df255e1

    SHA512

    a7a037bde41bcd425be18a712e27a793185f7fde638e139bbd9d253c371cd9622385eda39cf91ab715ead2591cff5b8c9f5b31d903f138d8af7bab6a9001ccab

  • C:\Users\Admin\AppData\Local\Temp\._cache_4363463463464363463463463.exe

    Filesize

    10KB

    MD5

    2a94f3960c58c6e70826495f76d00b85

    SHA1

    e2a1a5641295f5ebf01a37ac1c170ac0814bb71a

    SHA256

    2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce

    SHA512

    fbf55b55fcfb12eb8c029562956229208b9e8e2591859d6336c28a590c92a4d0f7033a77c46ef6ebe07ddfca353aba1e84b51907cd774beab148ee901c92d62f

  • C:\Users\Admin\AppData\Local\Temp\A5975E00

    Filesize

    25KB

    MD5

    f0332df586eceb0157739aff92da7fb4

    SHA1

    d76d7f6b921d84647f3c01e6484f31315a912e6b

    SHA256

    4ff1836bbbcb17a5632ea9af7caca01e8fddadab5ed14d6697ae9296b6e78919

    SHA512

    4ef48d8ed620251628842c2f9a6f213f9a0711b3cbec2ee864380014df8393438c18d32415f02757bf25532143a47f651c244f88b0fa9c70679a7ab096a32004

  • C:\Users\Admin\AppData\Local\Temp\Files\Complexo%20v4.exe

    Filesize

    1.5MB

    MD5

    d9694a6a1989d79aeded3f93cb97d24e

    SHA1

    a18019b9793029dac4d10e619ec85ea26909336a

    SHA256

    772c7a131d2a7a239ec39f32214eb94113aacd3984f572fb7e3b1fa1bec98f8c

    SHA512

    35a29c81d72f0e0bdb169c400dc90bf85859313c250824bf1fbbe362903c63f6a826e94994f8d86e8f56def5ce34cc71a45c6ff936e85fcfe8d169dbdb118168

  • C:\Users\Admin\AppData\Local\Temp\m1ppcYKr.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/780-263-0x0000000072B6E000-0x0000000072B6F000-memory.dmp

    Filesize

    4KB

  • memory/780-132-0x0000000072B6E000-0x0000000072B6F000-memory.dmp

    Filesize

    4KB

  • memory/780-133-0x0000000000670000-0x0000000000678000-memory.dmp

    Filesize

    32KB

  • memory/780-134-0x0000000005020000-0x00000000050BC000-memory.dmp

    Filesize

    624KB

  • memory/4372-247-0x0000000002120000-0x0000000002121000-memory.dmp

    Filesize

    4KB

  • memory/4372-129-0x0000000002120000-0x0000000002121000-memory.dmp

    Filesize

    4KB

  • memory/4372-262-0x0000000000400000-0x00000000004C5000-memory.dmp

    Filesize

    788KB

  • memory/4852-127-0x0000000000400000-0x00000000004C5000-memory.dmp

    Filesize

    788KB

  • memory/4852-0-0x0000000002360000-0x0000000002361000-memory.dmp

    Filesize

    4KB

  • memory/4968-193-0x00007FFB92750000-0x00007FFB92760000-memory.dmp

    Filesize

    64KB

  • memory/4968-207-0x00007FFB8FBB0000-0x00007FFB8FBC0000-memory.dmp

    Filesize

    64KB

  • memory/4968-194-0x00007FFB92750000-0x00007FFB92760000-memory.dmp

    Filesize

    64KB

  • memory/4968-195-0x00007FFB92750000-0x00007FFB92760000-memory.dmp

    Filesize

    64KB

  • memory/4968-200-0x00007FFB8FBB0000-0x00007FFB8FBC0000-memory.dmp

    Filesize

    64KB

  • memory/4968-258-0x00007FFB92750000-0x00007FFB92760000-memory.dmp

    Filesize

    64KB

  • memory/4968-259-0x00007FFB92750000-0x00007FFB92760000-memory.dmp

    Filesize

    64KB

  • memory/4968-261-0x00007FFB92750000-0x00007FFB92760000-memory.dmp

    Filesize

    64KB

  • memory/4968-260-0x00007FFB92750000-0x00007FFB92760000-memory.dmp

    Filesize

    64KB

  • memory/4968-197-0x00007FFB92750000-0x00007FFB92760000-memory.dmp

    Filesize

    64KB

  • memory/4968-196-0x00007FFB92750000-0x00007FFB92760000-memory.dmp

    Filesize

    64KB